they are one of two couples who are plaintiffs in the biggest civil rights cases. on tuesday the u.s. supreme court will hear arguments and whether proposition 8 is unconstitutional. >> for a family, it is an important struggle and there has been sacrifice and at the same time it has been -- it is a huge honor. >> they will travel to washington, d.c. for the arguments and their twin sons will join them in the courtroom. and ktvu's david stevenson is heading to washington, d.c. to cover the arguments over prop 8 before the u.s. supreme court. we will have live reports from him throughout the day on monday and tuesday. >>> new tonight at 6:00 p.m. a lot of work going on at the golden gate bridge. ktvu's consumer editor tom vacar is live with what drives can expect, including a change with the speed limit there. tom? >> reporter: all of the changes, the best thing you can do is make sure you get yourself one of these. next wednesday morning the last toll takers will leave their booths forever. one basage message -- basic message. >> no more stopping at the toll plaza.